<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>04-函数封装案例</title>
  </head>

  <body>
    <script>
      // 1. 求 2 个数的和
      // function getSum() {
      //   let num1 = +prompt('请输入第一个数')
      //   let num2 = +prompt('请输入第二个数')
      //   console.log(num1 + num2)
      // }
      // getSum()

      // 2. 求 1~100 累加和
      function getSum() {
        let sum = 0
        for (let i = 1; i <= 100; i++) {
          sum = sum + i
        }
        console.log(sum)
      }
      getSum()
    </script>
  </body>
</html>
